21819159

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{21841}}^1$

素因数の和:21887

約数の個数: 16

約数和(自身を含む): 33199840

約数和(自身を除く): 11380681

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 21841, 65523, 196569, 589707, 808117, 2424351, 7273053, 21819159]

約数ペア:

[(1, 21819159), (3, 7273053), (9, 2424351), (27, 808117), (37, 589707), (111, 196569), (333, 65523), (999, 21841)]